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Theta Orionis: Website focus on Trapezium
I came across a really nice website dedicated to the trapezium while
researching the magnitudes of the e and f stars. FYI, they are mag 10.3 and 10.2 respectively. I had no problem resolving either in the 12"; don't remember ever seeing f in the 8". Well maybe once. My skies are bad and I don't travel much. Anyway, for any interested, here it is: http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM Errol pasnola.org |
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Theta Orionis: Website focus on Trapezium
On Feb 19, 4:58 pm, "Starboard" wrote:
I came across a really nice website dedicated to the trapezium while researching the magnitudes of the e and f stars. FYI, they are mag 10.3 and 10.2 respectively. I had no problem resolving either in the 12"; don't remember ever seeing f in the 8". Well maybe once. My skies are bad and I don't travel much. Anyway, for any interested, here it is:http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM Errol pasnola.org The high rez ESO shot of the Trapezium is impressive! Thanks for the link! |
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Theta Orionis: Website focus on Trapezium
Starboard wrote:
I came across a really nice website dedicated to the trapezium while researching the magnitudes of the e and f stars. FYI, they are mag 10.3 and 10.2 respectively. I had no problem resolving either in the 12"; don't remember ever seeing f in the 8". Well maybe once. My skies are bad and I don't travel much. Anyway, for any interested, here it is: http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM Errol pasnola.org Interesting site, thanks. Does anyone know the separation between C and F? With my old C8 I've seen both E and F on good nights. Given their brightness it's surprising how infrequently I've bagged them. Chris Up in the great white cloudy north. |
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Theta Orionis: Website focus on Trapezium
Chris wrote:
Interesting site, thanks. Does anyone know the separation between C and F? With my old C8 I've seen both E and F on good nights. Given their brightness it's surprising how infrequently I've bagged them. I'd estimate it at about 25 arcseconds. -- Brian Tung The Astronomy Corner at http://astro.isi.edu/ Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/ The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/ My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.html |
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Theta Orionis: Website focus on Trapezium
Chris wrote:
Interesting site, thanks. Does anyone know the separation between C and F? With my old C8 I've seen both E and F on good nights. Given their brightness it's surprising how infrequently I've bagged them. Sorry, bad typo: Make that about 5 arcseconds. -- Brian Tung The Astronomy Corner at http://astro.isi.edu/ Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/ The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/ My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.html |
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Theta Orionis: Website focus on Trapezium
On Feb 19, 4:58 pm, "Starboard" wrote:
I had no problem resolving either in the 12"; don't remember ever seeing f in the 8". Well maybe once. My skies are bad and I don't travel much. Errol pasnola.org Both E and F are fairly easy in an 8 inch from the Florida Keys. Not so easy from my home in MA. Alvan Clark |
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Theta Orionis: Website focus on Trapezium
"Starboard" wrote in message
ups.com... I came across a really nice website dedicated to the trapezium while researching the magnitudes of the e and f stars. FYI, they are mag 10.3 and 10.2 respectively. I had no problem resolving either in the 12"; don't remember ever seeing f in the 8". Well maybe once. My skies are bad and I don't travel much. Anyway, for any interested, here it is: http://www.astropix.com/HTML/B_WINTER/TRAPEZ.HTM Errol pasnola.org Both e and f are routinely visible in my 8" f/6. It would be VERY unusual if you couldn't see them both. And with decent seeing, both are visible in my 94mm APO... In all my scopes above 8", the game is to see what the LOWEST magnification is that will reveal them both... My guess is that here, on a decent night, an 80mm or even smaller scope, can resolve e & f fairly frequently... -- Jan Owen To reach me directly, remove the Z, if one appears in my e-mail address... Latitude: 33.6 Longitude: -112.3 http://community.webshots.com/user/janowen21 |
#8
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Theta Orionis: Website focus on Trapezium
don't remember ever seeing f in the 8". Well maybe once. My skies
are bad and I don't travel much. Errol Both e and f are routinely visible in my 8" f/6. It would be VERY unusual if you couldn't see them both. Jan Owen Well rub it in why don't you. :-) We should have clear skies tonight. Me and the 8" scope or going for a little ride tonight. I have a spot that I found about 30 miles west of the New Orleans city limits (westbank) where skies are not terribly polluted. I'll try again from my house and again when I get there for comparisons sake. Errol |
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